/*
 *  Copyright 2008 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.mybatis.generator.codegen.ibatis2.dao.elements;

import static org.mybatis.generator.internal.util.StringUtility.stringHasValue;
import static org.mybatis.generator.internal.util.messages.Messages.getString;

import org.mybatis.generator.api.DAOMethodNameCalculator;
import org.mybatis.generator.api.dom.java.Interface;
import org.mybatis.generator.api.dom.java.JavaVisibility;
import org.mybatis.generator.api.dom.java.TopLevelClass;
import org.mybatis.generator.codegen.AbstractGenerator;
import org.mybatis.generator.codegen.ibatis2.dao.templates.AbstractDAOTemplate;
import org.mybatis.generator.config.PropertyRegistry;
import org.mybatis.generator.internal.DefaultDAOMethodNameCalculator;
import org.mybatis.generator.internal.ExtendedDAOMethodNameCalculator;
import org.mybatis.generator.internal.ObjectFactory;

/**
 * 
 * @author Jeff Butler
 */
public abstract class AbstractDAOElementGenerator extends AbstractGenerator {
	public abstract void addInterfaceElements(Interface interfaze);

	public abstract void addImplementationElements(TopLevelClass topLevelClass);

	protected AbstractDAOTemplate daoTemplate;
	private DAOMethodNameCalculator dAOMethodNameCalculator;
	private JavaVisibility exampleMethodVisibility;

	public AbstractDAOElementGenerator() {
		super();
	}

	public void setDAOTemplate(AbstractDAOTemplate abstractDAOTemplate) {
		this.daoTemplate = abstractDAOTemplate;
	}

	public DAOMethodNameCalculator getDAOMethodNameCalculator() {
		if (dAOMethodNameCalculator == null) {
			String type = context.getJavaClientGeneratorConfiguration().getProperty(
					PropertyRegistry.DAO_METHOD_NAME_CALCULATOR);
			if (stringHasValue(type)) {
				if ("extended".equalsIgnoreCase(type)) { //$NON-NLS-1$
					type = ExtendedDAOMethodNameCalculator.class.getName();
				} else if ("default".equalsIgnoreCase(type)) { //$NON-NLS-1$
					type = DefaultDAOMethodNameCalculator.class.getName();
				}
			} else {
				type = DefaultDAOMethodNameCalculator.class.getName();
			}

			try {
				dAOMethodNameCalculator = (DAOMethodNameCalculator) ObjectFactory.createInternalObject(type);
			} catch (Exception e) {
				dAOMethodNameCalculator = new DefaultDAOMethodNameCalculator();
				warnings.add(getString("Warning.17", type, e.getMessage())); //$NON-NLS-1$
			}
		}

		return dAOMethodNameCalculator;
	}

	public JavaVisibility getExampleMethodVisibility() {
		if (exampleMethodVisibility == null) {
			String type = context.getJavaClientGeneratorConfiguration().getProperty(
					PropertyRegistry.DAO_EXAMPLE_METHOD_VISIBILITY);
			if (stringHasValue(type)) {
				if ("public".equalsIgnoreCase(type)) { //$NON-NLS-1$
					exampleMethodVisibility = JavaVisibility.PUBLIC;
				} else if ("private".equalsIgnoreCase(type)) { //$NON-NLS-1$
					exampleMethodVisibility = JavaVisibility.PRIVATE;
				} else if ("protected".equalsIgnoreCase(type)) { //$NON-NLS-1$
					exampleMethodVisibility = JavaVisibility.PROTECTED;
				} else if ("default".equalsIgnoreCase(type)) { //$NON-NLS-1$
					exampleMethodVisibility = JavaVisibility.DEFAULT;
				} else {
					exampleMethodVisibility = JavaVisibility.PUBLIC;
					warnings.add(getString("Warning.16", type)); //$NON-NLS-1$
				}
			} else {
				exampleMethodVisibility = JavaVisibility.PUBLIC;
			}
		}

		return exampleMethodVisibility;
	}
}
